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fix hexadecimal token number support.

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* src/scan-gram.l: Catch incorrect ids after hexadecimal numbers.
This commit is contained in:
Akim Demaille
2009-05-05 09:36:06 +02:00
parent d19123e612
commit 601bdfabe2
2 changed files with 11 additions and 6 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2009-05-05 Akim Demaille <demaille@gostai.com>
fix hexadecimal token number support.
* src/scan-gram.l: Catch incorrect ids after hexadecimal numbers.
2009-05-05 Akim Demaille <demaille@gostai.com> 2009-05-05 Akim Demaille <demaille@gostai.com>
tests: check token numbers. tests: check token numbers.

12
src/scan-gram.l
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@@ -208,12 +208,6 @@ splice (\\[ \f\t\v]*\n)*
complain_at (*loc, _("invalid directive: %s"), quote (yytext)); complain_at (*loc, _("invalid directive: %s"), quote (yytext));
} }
/* Identifiers may not start with a digit. Yet, don't silently
accept "1FOO" as "1 FOO". */
{int}{id} {
complain_at (*loc, _("invalid identifier: %s"), quote (yytext));
}
"=" return EQUAL; "=" return EQUAL;
"|" return PIPE; "|" return PIPE;
";" return SEMICOLON; ";" return SEMICOLON;
@@ -235,6 +229,12 @@ splice (\\[ \f\t\v]*\n)*
return INT; return INT;
} }
/* Identifiers may not start with a digit. Yet, don't silently
accept "1FOO" as "1 FOO". */
{int}{id} {
complain_at (*loc, _("invalid identifier: %s"), quote (yytext));
}
/* Characters. We don't check there is only one. */ /* Characters. We don't check there is only one. */
"'" STRING_GROW; token_start = loc->start; BEGIN SC_ESCAPED_CHARACTER; "'" STRING_GROW; token_start = loc->start; BEGIN SC_ESCAPED_CHARACTER;